Bump ControlSystemsBase to 1.24.0

[baggepinnen]

Bumps the version of ControlSystemsBase to 1.24.0 for a release containing #1077, #1078 and #1079. The release is a minor release since #1079 adds support for improper transfer functions in rlocus and changes the default gain and plot limits of the root locus.

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Host: demeter6, Claude Code session session_01HigNnun4aJKMoWmY7wyULn, working directory ~/.julia/dev/ControlSystems/.claude/worktrees/generic-pondering-babbage

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https://claude.ai/code/session_01HigNnun4aJKMoWmY7wyULn

[JuliaControlBot]

This is an automated message.
Plots were compared to references. 4/11 images have changed, see differences below.
After pulling this PR, please update the reference images by creating a PR to ControlExamplePlots.jl here.

Difference	Reference Image	New Image
✔️ 0.0
✔️ 0.0
✔️ 0.0
✔️ 0.0

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 91.73%. Comparing base (31ad10c) to head (892d8d4).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff             @@
##           master    #1080       +/-   ##
===========================================
+ Coverage   19.02%   91.73%   +72.70%     
===========================================
  Files          42       42               
  Lines        5804     5865       +61     
===========================================
+ Hits         1104     5380     +4276     
+ Misses       4700      485     -4215     

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